Volume 1, Issue 3 (Autumn 2013)                   Iran J Health Sci 2013, 1(3): 12-17 | Back to browse issues page

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Fazelinia F, Khodabandehlou A A, Rafati L, Mahvi A H. Investigation of Air Quality Index and PM10 and PM2.5 in Arak. Iran J Health Sci 2013; 1 (3) :12-17
URL: http://jhs.mazums.ac.ir/article-1-117-en.html
School of Public Health, National Institute of Health Research, Center for Solid Waste Research, Tehran University of Medical Sciences , ahmahvi@yahoo.com
Abstract:   (7289 Views)

Background and purpose: In this study, the air quality index and concentration of particles such as PM10 and PM2.5 were investigated in Arak. Materials and Methods: To determine the concentration of PM10 and PM2.5, 60 samples were collected by laser TSI model 8520 in summer and winter 2012. The collection site was around Arak city center. Results: during the sampling period, as a matter of PM10, the cleanest and the most polluted month were December and June with the average of 34.33 µg m-3 and 100.1 µg m-3, respectively. The concentration of PM2.5 was 12.93 and 53.17 µg m-3 for December and June, respectively. Meanwhile, in terms of air quality index (AQI), in 98.3% and 70% of cases, the concentrations of PM10 and PM2.5, respectively were less than normal (AQI100). Conclusion: The concentration of PM10 in the study period was less than Environmental Protection Agency (EPA) 2006 guideline. Meanwhile, the concentrations of PM2.5 in 30% of air samples were greater than EPA guideline. The average PM2.5/PM10 ratio during the sampling period was 0.41 compared to range 0.15 to 0.25 reported by EPA.

Keywords: Air, PM2.5/PM10, Particles, AQI, Iran
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